JVMLIST displays no JVMs

Document ID : KB000122749
Last Modified Date : 07/12/2018
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Issueing the JVMLIST command in Sysview, the display is empty. 
SYSVIEW 15.0 GSYS --- JVMLIST, Java Virtual Machine List -- 2018/12/04 15:17:12 Command ====> Scroll *===> PAGE -------------------------------------------------- Lvl 2 Row 0-0/0 Col 1-79/282 JVM discovery is ACTIVE ------------------------------------------------------------------------------- Cmd Jobname ASID ASIType AM Version Application ****************************** No Data Available ****************************** CA SYSVIEW Release 15.0 Build 0980 Feature PTF SO04675
From the DYNEXIT display it appears as though our exit GSVX0980 was installed correctly into the CSVEXIT point correctly.
Your question: How would I know if I have a Java application" is answered by SYSVIEW's JVMLIST command.
No entries, no JVMs.
It is possible that you don't have any JVMs running and this would be why the JVMLIST display is blank.